if reading of autobit state failed, let write fail

[apt.git] / apt-pkg / packagemanager.h

diff --git a/apt-pkg/packagemanager.h b/apt-pkg/packagemanager.h
index adcbec3d0f467e748eabd89c5d94b9c9821d6bf8..25b6ee7c9bed2bf12fa24b2576ff24f8f5d600fa 100644 (file)
--- a/apt-pkg/packagemanager.h
+++ b/apt-pkg/packagemanager.h
@@ -1,6 +1,5 @@
 // -*- mode: cpp; mode: fold -*-
 // Description                                                         /*{{{*/
-// $Id: packagemanager.h,v 1.14 2001/05/07 04:24:08 jgg Exp $
 /* ######################################################################
 
    Package Manager - Abstacts the package manager
@@ -23,51 +22,85 @@
 #ifndef PKGLIB_PACKAGEMANAGER_H
 #define PKGLIB_PACKAGEMANAGER_H
 
+#include <apt-pkg/pkgcache.h>
+#include <apt-pkg/init.h>
+#include <apt-pkg/edsp.h>
+#include <apt-pkg/macros.h>
 
 #include <string>
+#include <set>
+
+#ifndef APT_10_CLEANER_HEADERS
+#include <apt-pkg/install-progress.h>
 #include <iostream>
-#include <apt-pkg/pkgcache.h>
+#endif
+#ifndef APT_8_CLEANER_HEADERS
 #include <apt-pkg/depcache.h>
-
 using std::string;
+#endif
 
 class pkgAcquire;
 class pkgDepCache;
 class pkgSourceList;
 class pkgOrderList;
 class pkgRecords;
+class OpProgress;
+class pkgPackageManager;
+namespace APT {
+   namespace Progress {
+      class PackageManager;
+   }
+}
+
 class pkgPackageManager : protected pkgCache::Namespace
 {
    public:
    
    enum OrderResult {Completed,Failed,Incomplete};
+   static bool SigINTStop;
    
    protected:
-   string *FileNames;
+   std::string *FileNames;
    pkgDepCache &Cache;
    pkgOrderList *List;
    bool Debug;
-         
-   bool DepAdd(pkgOrderList &Order,PkgIterator P,int Depth = 0);
+   bool NoImmConfigure;
+   bool ImmConfigureAll;
+
+   /** \brief saves packages dpkg let disappear
+
+       This way APT can retreat from trying to configure these
+       packages later on and a front-end can choose to display a
+       notice to inform the user about these disappears.
+   */
+   std::set<std::string> disappearedPkgs;
+
+   void ImmediateAdd(PkgIterator P, bool UseInstallVer, unsigned const int &Depth = 0);
    virtual OrderResult OrderInstall();
    bool CheckRConflicts(PkgIterator Pkg,DepIterator Dep,const char *Ver);
+   bool CheckRBreaks(PkgIterator const &Pkg,DepIterator Dep,const char * const Ver);
    bool CreateOrderList();
    
    // Analysis helpers
-   bool DepAlwaysTrue(DepIterator D);
+   bool DepAlwaysTrue(DepIterator D) APT_PURE;
    
    // Install helpers
    bool ConfigureAll();
-   bool SmartConfigure(PkgIterator Pkg);
-   bool SmartUnPack(PkgIterator Pkg);
-   bool SmartRemove(PkgIterator Pkg);
-   bool EarlyRemove(PkgIterator Pkg);   
-   
+   bool SmartConfigure(PkgIterator Pkg, int const Depth) APT_MUSTCHECK;
+   //FIXME: merge on abi break
+   bool SmartUnPack(PkgIterator Pkg) APT_MUSTCHECK;
+   bool SmartUnPack(PkgIterator Pkg, bool const Immediate, int const Depth) APT_MUSTCHECK;
+   bool SmartRemove(PkgIterator Pkg) APT_MUSTCHECK;
+   bool EarlyRemove(PkgIterator Pkg, DepIterator const * const Dep) APT_MUSTCHECK;
+   APT_DEPRECATED bool EarlyRemove(PkgIterator Pkg) APT_MUSTCHECK;
+
    // The Actual installation implementation
-   virtual bool Install(PkgIterator /*Pkg*/,string /*File*/) {return false;};
+   virtual bool Install(PkgIterator /*Pkg*/,std::string /*File*/) {return false;};
    virtual bool Configure(PkgIterator /*Pkg*/) {return false;};
    virtual bool Remove(PkgIterator /*Pkg*/,bool /*Purge*/=false) {return false;};
-   virtual bool Go(int statusFd=-1) {return true;};
+   virtual bool Go(APT::Progress::PackageManager * /*progress*/) {return true;};
+   virtual bool Go(int /*statusFd*/=-1) {return true;};
+
    virtual void Reset() {};
 
    // the result of the operation
@@ -79,8 +112,15 @@ class pkgPackageManager : protected pkgCache::Namespace
    bool GetArchives(pkgAcquire *Owner,pkgSourceList *Sources,
                    pkgRecords *Recs);
 
-   // Do the installation 
-   OrderResult DoInstall(int statusFd=-1);
+   // Do the installation
+   OrderResult DoInstall(APT::Progress::PackageManager *progress);
+   // compat
+   APT_DEPRECATED_MSG("Use APT::Progress::PackageManager subclass instead of fd") OrderResult DoInstall(int statusFd=-1);
+
+   friend bool EIPP::OrderInstall(char const * const planner, pkgPackageManager * const PM,
+        unsigned int const version, OpProgress * const Progress);
+   friend bool EIPP::ReadResponse(int const input, pkgPackageManager * const PM,
+        OpProgress * const Progress);
 
    // stuff that needs to be done before the fork() of a library that
    // uses apt
@@ -88,26 +128,26 @@ class pkgPackageManager : protected pkgCache::Namespace
       Res = OrderInstall();
       return Res;
    };
-
    // stuff that needs to be done after the fork
-   OrderResult DoInstallPostFork(int statusFd=-1) {
-      if(statusFd > 0)
-        SetCloseExec(statusFd, true);
-      bool goResult = Go(statusFd);
-      if(goResult == false) 
-        return Failed;
-
-      // if all was fine update the state file
-      if(Res == Completed) {
-        Cache.writeStateFile(NULL);
-      }
-      return Res;
-   };
+   OrderResult DoInstallPostFork(APT::Progress::PackageManager *progress);
+   // compat
+   APT_DEPRECATED_MSG("Use APT::Progress::PackageManager subclass instead of fd") OrderResult DoInstallPostFork(int statusFd=-1);
 
+   // ?
    bool FixMissing();
-   
-   pkgPackageManager(pkgDepCache *Cache);
+
+   /** \brief returns all packages dpkg let disappear */
+   inline std::set<std::string> GetDisappearedPackages() { return disappearedPkgs; };
+
+   explicit pkgPackageManager(pkgDepCache *Cache);
    virtual ~pkgPackageManager();
+
+   private:
+   void * const d;
+   enum APT_HIDDEN SmartAction { UNPACK_IMMEDIATE, UNPACK, CONFIGURE };
+   APT_HIDDEN bool NonLoopingSmart(SmartAction const action, pkgCache::PkgIterator &Pkg,
+      pkgCache::PkgIterator DepPkg, int const Depth, bool const PkgLoop,
+      bool * const Bad, bool * const Changed) APT_MUSTCHECK;
 };
 
 #endif